Update CHANGELOG

Author: mustakimali

opentelemetry-sdk/CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - [#1410](https://github.com/open-telemetry/opentelemetry-rust/pull/1410) Add experimental synchronous gauge
 - [#1471](https://github.com/open-telemetry/opentelemetry-rust/pull/1471) Configure batch log record processor via [`OTEL_BLRP_*`](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#batch-logrecord-processor) environment variables and via `OtlpLogPipeline::with_batch_config`
+- [#1498](https://github.com/open-telemetry/opentelemetry-rust/pull/1498) Add error logging for failed OpenTelemetry HTTP export
 
 ### Changed